#include <iostream>
#include <cstring>
using namespace std;
int main()
{
    char s[128]="hello,中国!";
    char * p = s;
    //cout<<p<<endl;
    cout<<strlen(s)<<endl;
    for(int i = 0; i<128; i++)
    {
        char c  = s[i];
        cout<<i<<":"<<hex<<(int)c<<endl;
        if(c == '\0') break;
    }
}